/**
 * @version: 2.1.27
 * @author: Dan Grossman http://www.dangrossman.info/
 * @copyright: Copyright (c) 2012-2017 Dan Grossman. All rights reserved.
 * @license: Licensed under the MIT license. See http://www.opensource.org/licenses/mit-license.php
 * @website: http://www.daterangepicker.com/
 */
// Follow the UMD template https://github.com/umdjs/umd/blob/master/templates/returnExportsGlobal.js
(function (root, factory) {
	if (typeof define === 'function' && define.amd) {
		// AMD. Make globaly available as well
		define(['makefriends/static/js/libs/moment', 'jquery'], function (moment, jquery) {
			if (!jquery.fn) jquery.fn = {}; // webpack server rendering
			return factory(moment, jquery);
		});
	} else if (typeof module === 'object' && module.exports) {
		// Node / Browserify
		//isomorphic issue
		var jQuery = (typeof window != 'undefined') ? window.jQuery : undefined;
		if (!jQuery) {
			jQuery = require('jquery');
			if (!jQuery.fn) jQuery.fn = {};
		}
		var moment = (typeof window != 'undefined' && typeof window.moment != 'undefined') ? window.moment : require('makefriends/static/js/libs/moment');
		module.exports = factory(moment, jQuery);
	} else {
		// Browser globals
		root.daterangepicker = factory(root.moment, root.jQuery);
	}
}(this, function(moment, $) {
	var DateRangePicker = function(element, options, cb) {

		//default settings for options
		this.parentEl = 'body';
		this.element = $(element);
		this.startDate = moment().startOf('day');
		this.endDate = moment().endOf('day');
		this.minDate = false;
		this.maxDate = false;
		this.dateLimit = false;
		this.autoApply = false;
		this.singleDatePicker = false;
		this.showDropdowns = false;
		this.showWeekNumbers = false;
		this.showISOWeekNumbers = false;
		this.showCustomRangeLabel = true;
		this.timePicker = false;
		this.timePicker24Hour = false;
		this.timePickerIncrement = 1;
		this.timePickerSeconds = false;
		this.linkedCalendars = true;
		this.autoUpdateInput = true;
		this.alwaysShowCalendars = false;
		this.ranges = {};

		this.opens = 'right';
		if (this.element.hasClass('pull-right'))
			this.opens = 'left';

		this.drops = 'down';
		if (this.element.hasClass('dropup'))
			this.drops = 'up';

		this.buttonClasses = 'btn btn-sm';
		this.applyClass = 'btn-success';
		this.cancelClass = 'btn-default';

		this.locale = {
			direction: 'ltr',
			format: moment.localeData().longDateFormat('L'),
			separator: ' - ',
			applyLabel: 'Apply',
			cancelLabel: 'Cancel',
			weekLabel: 'W',
			customRangeLabel: 'Custom Range',
			daysOfWeek: moment.weekdaysMin(),
			monthNames: moment.monthsShort(),
			firstDay: moment.localeData().firstDayOfWeek()
		};

		this.callback = function() { };

		//some state information
		this.isShowing = false;
		this.leftCalendar = {};
		this.rightCalendar = {};

		//custom options from user
		if (typeof options !== 'object' || options === null)
			options = {};

		//allow setting options with data attributes
		//data-api options will be overwritten with custom javascript options
		options = $.extend(this.element.data(), options);

		//html template for the picker UI
		if (typeof options.template !== 'string' && !(options.template instanceof $))
			options.template = '<div class="daterangepicker dropdown-menu">' +
				'<div class="calendar left">' +
				'<div class="daterangepicker_input">' +
				'<input class="input-mini form-control" type="text" name="daterangepicker_start" value="" />' +
				'<i class="fa fa-calendar glyphicon glyphicon-calendar"></i>' +
				'<div class="calendar-time">' +
				'<div></div>' +
				'<i class="fa fa-clock-o glyphicon glyphicon-time"></i>' +
				'</div>' +
				'</div>' +
				'<div class="calendar-table"></div>' +
				'</div>' +
				'<div class="calendar right">' +
				'<div class="daterangepicker_input">' +
				'<input class="input-mini form-control" type="text" name="daterangepicker_end" value="" />' +
				'<i class="fa fa-calendar glyphicon glyphicon-calendar"></i>' +
				'<div class="calendar-time">' +
				'<div></div>' +
				'<i class="fa fa-clock-o glyphicon glyphicon-time"></i>' +
				'</div>' +
				'</div>' +
				'<div class="calendar-table"></div>' +
				'</div>' +
				'<div class="ranges">' +
				'<div class="range_inputs">' +
				'<button class="applyBtn" disabled="disabled" type="button"></button> ' +
				'<button class="cancelBtn" type="button"></button>' +
				'</div>' +
				'</div>' +
				'</div>';

		this.parentEl = (options.parentEl && $(options.parentEl).length) ? $(options.parentEl) : $(this.parentEl);
		this.container = $(options.template).appendTo(this.parentEl);

		//
		// handle all the possible options overriding defaults
		//

		if (typeof options.locale === 'object') {

			if (typeof options.locale.direction === 'string')
				this.locale.direction = options.locale.direction;

			if (typeof options.locale.format === 'string')
				this.locale.format = options.locale.format;

			if (typeof options.locale.separator === 'string')
				this.locale.separator = options.locale.separator;

			if (typeof options.locale.daysOfWeek === 'object')
				this.locale.daysOfWeek = options.locale.daysOfWeek.slice();

			if (typeof options.locale.monthNames === 'object')
				this.locale.monthNames = options.locale.monthNames.slice();

			if (typeof options.locale.firstDay === 'number')
				this.locale.firstDay = options.locale.firstDay;

			if (typeof options.locale.applyLabel === 'string')
				this.locale.applyLabel = options.locale.applyLabel;

			if (typeof options.locale.cancelLabel === 'string')
				this.locale.cancelLabel = options.locale.cancelLabel;

			if (typeof options.locale.weekLabel === 'string')
				this.locale.weekLabel = options.locale.weekLabel;

			if (typeof options.locale.customRangeLabel === 'string'){
				//Support unicode chars in the custom range name.
				var elem = document.createElement('textarea');
				elem.innerHTML = options.locale.customRangeLabel;
				var rangeHtml = elem.value;
				this.locale.customRangeLabel = rangeHtml;
			}
		}
		this.container.addClass(this.locale.direction);

		if (typeof options.startDate === 'string')
			this.startDate = moment(options.startDate, this.locale.format);

		if (typeof options.endDate === 'string')
			this.endDate = moment(options.endDate, this.locale.format);

		if (typeof options.minDate === 'string')
			this.minDate = moment(options.minDate, this.locale.format);

		if (typeof options.maxDate === 'string')
			this.maxDate = moment(options.maxDate, this.locale.format);

		if (typeof options.startDate === 'object')
			this.startDate = moment(options.startDate);

		if (typeof options.endDate === 'object')
			this.endDate = moment(options.endDate);

		if (typeof options.minDate === 'object')
			this.minDate = moment(options.minDate);

		if (typeof options.maxDate === 'object')
			this.maxDate = moment(options.maxDate);

		// sanity check for bad options
		if (this.minDate && this.startDate.isBefore(this.minDate))
			this.startDate = this.minDate.clone();

		// sanity check for bad options
		if (this.maxDate && this.endDate.isAfter(this.maxDate))
			this.endDate = this.maxDate.clone();

		if (typeof options.applyClass === 'string')
			this.applyClass = options.applyClass;

		if (typeof options.cancelClass === 'string')
			this.cancelClass = options.cancelClass;

		if (typeof options.dateLimit === 'object')
			this.dateLimit = options.dateLimit;

		if (typeof options.opens === 'string')
			this.opens = options.opens;

		if (typeof options.drops === 'string')
			this.drops = options.drops;

		if (typeof options.showWeekNumbers === 'boolean')
			this.showWeekNumbers = options.showWeekNumbers;

		if (typeof options.showISOWeekNumbers === 'boolean')
			this.showISOWeekNumbers = options.showISOWeekNumbers;

		if (typeof options.buttonClasses === 'string')
			this.buttonClasses = options.buttonClasses;

		if (typeof options.buttonClasses === 'object')
			this.buttonClasses = options.buttonClasses.join(' ');

		if (typeof options.showDropdowns === 'boolean')
			this.showDropdowns = options.showDropdowns;

		if (typeof options.showCustomRangeLabel === 'boolean')
			this.showCustomRangeLabel = options.showCustomRangeLabel;

		if (typeof options.singleDatePicker === 'boolean') {
			this.singleDatePicker = options.singleDatePicker;
			if (this.singleDatePicker)
				this.endDate = this.startDate.clone();
		}

		if (typeof options.timePicker === 'boolean')
			this.timePicker = options.timePicker;

		if (typeof options.timePickerSeconds === 'boolean')
			this.timePickerSeconds = options.timePickerSeconds;

		if (typeof options.timePickerIncrement === 'number')
			this.timePickerIncrement = options.timePickerIncrement;

		if (typeof options.timePicker24Hour === 'boolean')
			this.timePicker24Hour = options.timePicker24Hour;

		if (typeof options.autoApply === 'boolean')
			this.autoApply = options.autoApply;

		if (typeof options.autoUpdateInput === 'boolean')
			this.autoUpdateInput = options.autoUpdateInput;

		if (typeof options.linkedCalendars === 'boolean')
			this.linkedCalendars = options.linkedCalendars;

		if (typeof options.isInvalidDate === 'function')
			this.isInvalidDate = options.isInvalidDate;

		if (typeof options.isCustomDate === 'function')
			this.isCustomDate = options.isCustomDate;

		if (typeof options.alwaysShowCalendars === 'boolean')
			this.alwaysShowCalendars = options.alwaysShowCalendars;

		// update day names order to firstDay
		if (this.locale.firstDay != 0) {
			var iterator = this.locale.firstDay;
			while (iterator > 0) {
				this.locale.daysOfWeek.push(this.locale.daysOfWeek.shift());
				iterator--;
			}
		}

		var start, end, range;

		//if no start/end dates set, check if an input element contains initial values
		if (typeof options.startDate === 'undefined' && typeof options.endDate === 'undefined') {
			if ($(this.element).is('input[type=text]')) {
				var val = $(this.element).val(),
					split = val.split(this.locale.separator);

				start = end = null;

				if (split.length == 2) {
					start = moment(split[0], this.locale.format);
					end = moment(split[1], this.locale.format);
				} else if (this.singleDatePicker && val !== "") {
					start = moment(val, this.locale.format);
					end = moment(val, this.locale.format);
				}
				if (start !== null && end !== null) {
					this.setStartDate(start);
					this.setEndDate(end);
				}
			}
		}

		if (typeof options.ranges === 'object') {
			for (range in options.ranges) {

				if (typeof options.ranges[range][0] === 'string')
					start = moment(options.ranges[range][0], this.locale.format);
				else
					start = moment(options.ranges[range][0]);

				if (typeof options.ranges[range][1] === 'string')
					end = moment(options.ranges[range][1], this.locale.format);
				else
					end = moment(options.ranges[range][1]);

				// If the start or end date exceed those allowed by the minDate or dateLimit
				// options, shorten the range to the allowable period.
				if (this.minDate && start.isBefore(this.minDate))
					start = this.minDate.clone();

				var maxDate = this.maxDate;
				if (this.dateLimit && maxDate && start.clone().add(this.dateLimit).isAfter(maxDate))
					maxDate = start.clone().add(this.dateLimit);
				if (maxDate && end.isAfter(maxDate))
					end = maxDate.clone();

				// If the end of the range is before the minimum or the start of the range is
				// after the maximum, don't display this range option at all.
				if ((this.minDate && end.isBefore(this.minDate, this.timepicker ? 'minute' : 'day'))
					|| (maxDate && start.isAfter(maxDate, this.timepicker ? 'minute' : 'day')))
					continue;

				//Support unicode chars in the range names.
				var elem = document.createElement('textarea');
				elem.innerHTML = range;
				var rangeHtml = elem.value;

				this.ranges[rangeHtml] = [start, end];
			}

			var list = '<ul>';
			for (range in this.ranges) {
				list += '<li data-range-key="' + range + '">' + range + '</li>';
			}
			if (this.showCustomRangeLabel) {
				list += '<li data-range-key="' + this.locale.customRangeLabel + '">' + this.locale.customRangeLabel + '</li>';
			}
			list += '</ul>';
			this.container.find('.ranges').prepend(list);
		}

		if (typeof cb === 'function') {
			this.callback = cb;
		}

		if (!this.timePicker) {
			this.startDate = this.startDate.startOf('day');
			this.endDate = this.endDate.endOf('day');
			this.container.find('.calendar-time').hide();
		}

		//can't be used together for now
		if (this.timePicker && this.autoApply)
			this.autoApply = false;

		if (this.autoApply && typeof options.ranges !== 'object') {
			this.container.find('.ranges').hide();
		} else if (this.autoApply) {
			this.container.find('.applyBtn, .cancelBtn').addClass('hide');
		}

		if (this.singleDatePicker) {
			this.container.addClass('single');
			this.container.find('.calendar.left').addClass('single');
			this.container.find('.calendar.left').show();
			this.container.find('.calendar.right').hide();
			this.container.find('.daterangepicker_input input, .daterangepicker_input > i').hide();
			if (this.timePicker) {
				this.container.find('.ranges ul').hide();
			} else {
				this.container.find('.ranges').hide();
			}
		}

		if ((typeof options.ranges === 'undefined' && !this.singleDatePicker) || this.alwaysShowCalendars) {
			this.container.addClass('show-calendar');
		}

		this.container.addClass('opens' + this.opens);

		//swap the position of the predefined ranges if opens right
		if (typeof options.ranges !== 'undefined' && this.opens == 'right') {
			this.container.find('.ranges').prependTo( this.container.find('.calendar.left').parent() );
		}

		//apply CSS classes and labels to buttons
		this.container.find('.applyBtn, .cancelBtn').addClass(this.buttonClasses);
		if (this.applyClass.length)
			this.container.find('.applyBtn').addClass(this.applyClass);
		if (this.cancelClass.length)
			this.container.find('.cancelBtn').addClass(this.cancelClass);
		this.container.find('.applyBtn').html(this.locale.applyLabel);
		this.container.find('.cancelBtn').html(this.locale.cancelLabel);

		//
		// event listeners
		//

		this.container.find('.calendar')
			.on('click.daterangepicker', '.prev', $.proxy(this.clickPrev, this))
			.on('click.daterangepicker', '.next', $.proxy(this.clickNext, this))
			.on('mousedown.daterangepicker', 'td.available', $.proxy(this.clickDate, this))
			.on('mouseenter.daterangepicker', 'td.available', $.proxy(this.hoverDate, this))
			.on('mouseleave.daterangepicker', 'td.available', $.proxy(this.updateFormInputs, this))
			.on('change.daterangepicker', 'select.yearselect', $.proxy(this.monthOrYearChanged, this))
			.on('change.daterangepicker', 'select.monthselect', $.proxy(this.monthOrYearChanged, this))
			.on('change.daterangepicker', 'select.hourselect,select.minuteselect,select.secondselect,select.ampmselect', $.proxy(this.timeChanged, this))
			.on('click.daterangepicker', '.daterangepicker_input input', $.proxy(this.showCalendars, this))
			.on('focus.daterangepicker', '.daterangepicker_input input', $.proxy(this.formInputsFocused, this))
			.on('blur.daterangepicker', '.daterangepicker_input input', $.proxy(this.formInputsBlurred, this))
			.on('change.daterangepicker', '.daterangepicker_input input', $.proxy(this.formInputsChanged, this))
			.on('keydown.daterangepicker', '.daterangepicker_input input', $.proxy(this.formInputsKeydown, this));

		this.container.find('.ranges')
			.on('click.daterangepicker', 'button.applyBtn', $.proxy(this.clickApply, this))
			.on('click.daterangepicker', 'button.cancelBtn', $.proxy(this.clickCancel, this))
			.on('click.daterangepicker', 'li', $.proxy(this.clickRange, this))
			.on('mouseenter.daterangepicker', 'li', $.proxy(this.hoverRange, this))
			.on('mouseleave.daterangepicker', 'li', $.proxy(this.updateFormInputs, this));

		if (this.element.is('input') || this.element.is('button')) {
			this.element.on({
				'click.daterangepicker': $.proxy(this.show, this),
				'focus.daterangepicker': $.proxy(this.show, this),
				'keyup.daterangepicker': $.proxy(this.elementChanged, this),
				'keydown.daterangepicker': $.proxy(this.keydown, this) //IE 11 compatibility
			});
		} else {
			this.element.on('click.daterangepicker', $.proxy(this.toggle, this));
			this.element.on('keydown.daterangepicker', $.proxy(this.toggle, this));
		}

		//
		// if attached to a text input, set the initial value
		//

		if (this.element.is('input') && !this.singleDatePicker && this.autoUpdateInput) {
			this.element.val(this.startDate.format(this.locale.format) + this.locale.separator + this.endDate.format(this.locale.format));
			this.element.trigger('change');
		} else if (this.element.is('input') && this.autoUpdateInput) {
			this.element.val(this.startDate.format(this.locale.format));
			this.element.trigger('change');
		}

	};

	DateRangePicker.prototype = {

		constructor: DateRangePicker,

		setStartDate: function(startDate) {
			if (typeof startDate === 'string')
				this.startDate = moment(startDate, this.locale.format);

			if (typeof startDate === 'object')
				this.startDate = moment(startDate);

			if (!this.timePicker)
				this.startDate = this.startDate.startOf('day');

			if (this.timePicker && this.timePickerIncrement)
				this.startDate.minute(Math.round(this.startDate.minute() / this.timePickerIncrement) * this.timePickerIncrement);

			if (this.minDate && this.startDate.isBefore(this.minDate)) {
				this.startDate = this.minDate.clone();
				if (this.timePicker && this.timePickerIncrement)
					this.startDate.minute(Math.round(this.startDate.minute() / this.timePickerIncrement) * this.timePickerIncrement);
			}

			if (this.maxDate && this.startDate.isAfter(this.maxDate)) {
				this.startDate = this.maxDate.clone();
				if (this.timePicker && this.timePickerIncrement)
					this.startDate.minute(Math.floor(this.startDate.minute() / this.timePickerIncrement) * this.timePickerIncrement);
			}

			if (!this.isShowing)
				this.updateElement();

			this.updateMonthsInView();
		},

		setEndDate: function(endDate) {
			if (typeof endDate === 'string')
				this.endDate = moment(endDate, this.locale.format);

			if (typeof endDate === 'object')
				this.endDate = moment(endDate);

			if (!this.timePicker)
				this.endDate = this.endDate.add(1,'d').startOf('day').subtract(1,'second');

			if (this.timePicker && this.timePickerIncrement)
				this.endDate.minute(Math.round(this.endDate.minute() / this.timePickerIncrement) * this.timePickerIncrement);

			if (this.endDate.isBefore(this.startDate))
				this.endDate = this.startDate.clone();

			if (this.maxDate && this.endDate.isAfter(this.maxDate))
				this.endDate = this.maxDate.clone();

			if (this.dateLimit && this.startDate.clone().add(this.dateLimit).isBefore(this.endDate))
				this.endDate = this.startDate.clone().add(this.dateLimit);

			this.previousRightTime = this.endDate.clone();

			if (!this.isShowing)
				this.updateElement();

			this.updateMonthsInView();
		},

		isInvalidDate: function() {
			return false;
		},

		isCustomDate: function() {
			return false;
		},

		updateView: function() {
			if (this.timePicker) {
				this.renderTimePicker('left');
				this.renderTimePicker('right');
				if (!this.endDate) {
					this.container.find('.right .calendar-time select').attr('disabled', 'disabled').addClass('disabled');
				} else {
					this.container.find('.right .calendar-time select').removeAttr('disabled').removeClass('disabled');
				}
			}
			if (this.endDate) {
				this.container.find('input[name="daterangepicker_end"]').removeClass('active');
				this.container.find('input[name="daterangepicker_start"]').addClass('active');
			} else {
				this.container.find('input[name="daterangepicker_end"]').addClass('active');
				this.container.find('input[name="daterangepicker_start"]').removeClass('active');
			}
			this.updateMonthsInView();
			this.updateCalendars();
			this.updateFormInputs();
		},

		updateMonthsInView: function() {
			if (this.endDate) {

				//if both dates are visible already, do nothing
				if (!this.singleDatePicker && this.leftCalendar.month && this.rightCalendar.month &&
					(this.startDate.format('YYYY-MM') == this.leftCalendar.month.format('YYYY-MM') || this.startDate.format('YYYY-MM') == this.rightCalendar.month.format('YYYY-MM'))
					&&
					(this.endDate.format('YYYY-MM') == this.leftCalendar.month.format('YYYY-MM') || this.endDate.format('YYYY-MM') == this.rightCalendar.month.format('YYYY-MM'))
				) {
					return;
				}

				this.leftCalendar.month = this.startDate.clone().date(2);
				if (!this.linkedCalendars && (this.endDate.month() != this.startDate.month() || this.endDate.year() != this.startDate.year())) {
					this.rightCalendar.month = this.endDate.clone().date(2);
				} else {
					this.rightCalendar.month = this.startDate.clone().date(2).add(1, 'month');
				}

			} else {
				if (this.leftCalendar.month.format('YYYY-MM') != this.startDate.format('YYYY-MM') && this.rightCalendar.month.format('YYYY-MM') != this.startDate.format('YYYY-MM')) {
					this.leftCalendar.month = this.startDate.clone().date(2);
					this.rightCalendar.month = this.startDate.clone().date(2).add(1, 'month');
				}
			}
			if (this.maxDate && this.linkedCalendars && !this.singleDatePicker && this.rightCalendar.month > this.maxDate) {
				this.rightCalendar.month = this.maxDate.clone().date(2);
				this.leftCalendar.month = this.maxDate.clone().date(2).subtract(1, 'month');
			}
		},

		updateCalendars: function() {

			if (this.timePicker) {
				var hour, minute, second;
				if (this.endDate) {
					hour = parseInt(this.container.find('.left .hourselect').val(), 10);
					minute = parseInt(this.container.find('.left .minuteselect').val(), 10);
					second = this.timePickerSeconds ? parseInt(this.container.find('.left .secondselect').val(), 10) : 0;
					if (!this.timePicker24Hour) {
						var ampm = this.container.find('.left .ampmselect').val();
						if (ampm === 'PM' && hour < 12)
							hour += 12;
						if (ampm === 'AM' && hour === 12)
							hour = 0;
					}
				} else {
					hour = parseInt(this.container.find('.right .hourselect').val(), 10);
					minute = parseInt(this.container.find('.right .minuteselect').val(), 10);
					second = this.timePickerSeconds ? parseInt(this.container.find('.right .secondselect').val(), 10) : 0;
					if (!this.timePicker24Hour) {
						var ampm = this.container.find('.right .ampmselect').val();
						if (ampm === 'PM' && hour < 12)
							hour += 12;
						if (ampm === 'AM' && hour === 12)
							hour = 0;
					}
				}
				this.leftCalendar.month.hour(hour).minute(minute).second(second);
				this.rightCalendar.month.hour(hour).minute(minute).second(second);
			}

			this.renderCalendar('left');
			this.renderCalendar('right');

			//highlight any predefined range matching the current start and end dates
			this.container.find('.ranges li').removeClass('active');
			if (this.endDate == null) return;

			this.calculateChosenLabel();
		},

		renderCalendar: function(side) {

			//
			// Build the matrix of dates that will populate the calendar
			//

			var calendar = side == 'left' ? this.leftCalendar : this.rightCalendar;
			var month = calendar.month.month();
			var year = calendar.month.year();
			var hour = calendar.month.hour();
			var minute = calendar.month.minute();
			var second = calendar.month.second();
			var daysInMonth = moment([year, month]).daysInMonth();
			var firstDay = moment([year, month, 1]);
			var lastDay = moment([year, month, daysInMonth]);
			var lastMonth = moment(firstDay).subtract(1, 'month').month();
			var lastYear = moment(firstDay).subtract(1, 'month').year();
			var daysInLastMonth = moment([lastYear, lastMonth]).daysInMonth();
			var dayOfWeek = firstDay.day();

			//initialize a 6 rows x 7 columns array for the calendar
			var calendar = [];
			calendar.firstDay = firstDay;
			calendar.lastDay = lastDay;

			for (var i = 0; i < 6; i++) {
				calendar[i] = [];
			}

			//populate the calendar with date objects
			var startDay = daysInLastMonth - dayOfWeek + this.locale.firstDay + 1;
			if (startDay > daysInLastMonth)
				startDay -= 7;

			if (dayOfWeek == this.locale.firstDay)
				startDay = daysInLastMonth - 6;

			var curDate = moment([lastYear, lastMonth, startDay, 12, minute, second]);

			var col, row;
			for (var i = 0, col = 0, row = 0; i < 42; i++, col++, curDate = moment(curDate).add(24, 'hour')) {
				if (i > 0 && col % 7 === 0) {
					col = 0;
					row++;
				}
				calendar[row][col] = curDate.clone().hour(hour).minute(minute).second(second);
				curDate.hour(12);

				if (this.minDate && calendar[row][col].format('YYYY-MM-DD') == this.minDate.format('YYYY-MM-DD') && calendar[row][col].isBefore(this.minDate) && side == 'left') {
					calendar[row][col] = this.minDate.clone();
				}

				if (this.maxDate && calendar[row][col].format('YYYY-MM-DD') == this.maxDate.format('YYYY-MM-DD') && calendar[row][col].isAfter(this.maxDate) && side == 'right') {
					calendar[row][col] = this.maxDate.clone();
				}

			}

			//make the calendar object available to hoverDate/clickDate
			if (side == 'left') {
				this.leftCalendar.calendar = calendar;
			} else {
				this.rightCalendar.calendar = calendar;
			}

			//
			// Display the calendar
			//

			var minDate = side == 'left' ? this.minDate : this.startDate;
			var maxDate = this.maxDate;
			var selected = side == 'left' ? this.startDate : this.endDate;
			var arrow = this.locale.direction == 'ltr' ? {left: 'chevron-left', right: 'chevron-right'} : {left: 'chevron-right', right: 'chevron-left'};

			var html = '<table class="table-condensed">';
			html += '<thead>';
			html += '<tr>';

			// add empty cell for week number
			if (this.showWeekNumbers || this.showISOWeekNumbers)
				html += '<th></th>';

			if ((!minDate || minDate.isBefore(calendar.firstDay)) && (!this.linkedCalendars || side == 'left')) {
				html += '<th class="prev available"><i class="fa fa-' + arrow.left + ' glyphicon glyphicon-' + arrow.left + '"></i></th>';
			} else {
				html += '<th></th>';
			}

			var dateHtml = this.locale.monthNames[calendar[1][1].month()] + calendar[1][1].format(" YYYY");

			if (this.showDropdowns) {
				var currentMonth = calendar[1][1].month();
				var currentYear = calendar[1][1].year();
				var maxYear = (maxDate && maxDate.year()) || (currentYear + 5);
				var minYear = (minDate && minDate.year()) || (currentYear - 50);
				var inMinYear = currentYear == minYear;
				var inMaxYear = currentYear == maxYear;

				var monthHtml = '<select class="monthselect">';
				for (var m = 0; m < 12; m++) {
					if ((!inMinYear || m >= minDate.month()) && (!inMaxYear || m <= maxDate.month())) {
						monthHtml += "<option value='" + m + "'" +
							(m === currentMonth ? " selected='selected'" : "") +
							">" + this.locale.monthNames[m] + "</option>";
					} else {
						monthHtml += "<option value='" + m + "'" +
							(m === currentMonth ? " selected='selected'" : "") +
							" disabled='disabled'>" + this.locale.monthNames[m] + "</option>";
					}
				}
				monthHtml += "</select>";

				var yearHtml = '<select class="yearselect">';
				for (var y = minYear; y <= maxYear; y++) {
					yearHtml += '<option value="' + y + '"' +
						(y === currentYear ? ' selected="selected"' : '') +
						'>' + y + '</option>';
				}
				yearHtml += '</select>';

				dateHtml = monthHtml + yearHtml;
			}

			html += '<th colspan="5" class="month">' + dateHtml + '</th>';
			if ((!maxDate || maxDate.isAfter(calendar.lastDay)) && (!this.linkedCalendars || side == 'right' || this.singleDatePicker)) {
				html += '<th class="next available"><i class="fa fa-' + arrow.right + ' glyphicon glyphicon-' + arrow.right + '"></i></th>';
			} else {
				html += '<th></th>';
			}

			html += '</tr>';
			html += '<tr>';

			// add week number label
			if (this.showWeekNumbers || this.showISOWeekNumbers)
				html += '<th class="week">' + this.locale.weekLabel + '</th>';

			$.each(this.locale.daysOfWeek, function(index, dayOfWeek) {
				html += '<th>' + dayOfWeek + '</th>';
			});

			html += '</tr>';
			html += '</thead>';
			html += '<tbody>';

			//adjust maxDate to reflect the dateLimit setting in order to
			//grey out end dates beyond the dateLimit
			if (this.endDate == null && this.dateLimit) {
				var maxLimit = this.startDate.clone().add(this.dateLimit).endOf('day');
				if (!maxDate || maxLimit.isBefore(maxDate)) {
					maxDate = maxLimit;
				}
			}

			for (var row = 0; row < 6; row++) {
				html += '<tr>';

				// add week number
				if (this.showWeekNumbers)
					html += '<td class="week">' + calendar[row][0].week() + '</td>';
				else if (this.showISOWeekNumbers)
					html += '<td class="week">' + calendar[row][0].isoWeek() + '</td>';

				for (var col = 0; col < 7; col++) {

					var classes = [];

					//highlight today's date
					if (calendar[row][col].isSame(new Date(), "day"))
						classes.push('today');

					//highlight weekends
					if (calendar[row][col].isoWeekday() > 5)
						classes.push('weekend');

					//grey out the dates in other months displayed at beginning and end of this calendar
					if (calendar[row][col].month() != calendar[1][1].month())
						classes.push('off');

					//don't allow selection of dates before the minimum date
					if (this.minDate && calendar[row][col].isBefore(this.minDate, 'day'))
						classes.push('off', 'disabled');

					//don't allow selection of dates after the maximum date
					if (maxDate && calendar[row][col].isAfter(maxDate, 'day'))
						classes.push('off', 'disabled');

					//don't allow selection of date if a custom function decides it's invalid
					if (this.isInvalidDate(calendar[row][col]))
						classes.push('off', 'disabled');

					//highlight the currently selected start date
					if (calendar[row][col].format('YYYY-MM-DD') == this.startDate.format('YYYY-MM-DD'))
						classes.push('active', 'start-date');

					//highlight the currently selected end date
					if (this.endDate != null && calendar[row][col].format('YYYY-MM-DD') == this.endDate.format('YYYY-MM-DD'))
						classes.push('active', 'end-date');

					//highlight dates in-between the selected dates
					if (this.endDate != null && calendar[row][col] > this.startDate && calendar[row][col] < this.endDate)
						classes.push('in-range');

					//apply custom classes for this date
					var isCustom = this.isCustomDate(calendar[row][col]);
					if (isCustom !== false) {
						if (typeof isCustom === 'string')
							classes.push(isCustom);
						else
							Array.prototype.push.apply(classes, isCustom);
					}

					var cname = '', disabled = false;
					for (var i = 0; i < classes.length; i++) {
						cname += classes[i] + ' ';
						if (classes[i] == 'disabled')
							disabled = true;
					}
					if (!disabled)
						cname += 'available';

					html += '<td class="' + cname.replace(/^\s+|\s+$/g, '') + '" data-title="' + 'r' + row + 'c' + col + '">' + calendar[row][col].date() + '</td>';

				}
				html += '</tr>';
			}

			html += '</tbody>';
			html += '</table>';

			this.container.find('.calendar.' + side + ' .calendar-table').html(html);

		},

		renderTimePicker: function(side) {

			// Don't bother updating the time picker if it's currently disabled
			// because an end date hasn't been clicked yet
			if (side == 'right' && !this.endDate) return;

			var html, selected, minDate, maxDate = this.maxDate;

			if (this.dateLimit && (!this.maxDate || this.startDate.clone().add(this.dateLimit).isAfter(this.maxDate)))
				maxDate = this.startDate.clone().add(this.dateLimit);

			if (side == 'left') {
				selected = this.startDate.clone();
				minDate = this.minDate;
			} else if (side == 'right') {
				selected = this.endDate.clone();
				minDate = this.startDate;

				//Preserve the time already selected
				var timeSelector = this.container.find('.calendar.right .calendar-time div');
				if (timeSelector.html() != '') {

					selected.hour(timeSelector.find('.hourselect option:selected').val() || selected.hour());
					selected.minute(timeSelector.find('.minuteselect option:selected').val() || selected.minute());
					selected.second(timeSelector.find('.secondselect option:selected').val() || selected.second());

					if (!this.timePicker24Hour) {
						var ampm = timeSelector.find('.ampmselect option:selected').val();
						if (ampm === 'PM' && selected.hour() < 12)
							selected.hour(selected.hour() + 12);
						if (ampm === 'AM' && selected.hour() === 12)
							selected.hour(0);
					}

				}

				if (selected.isBefore(this.startDate))
					selected = this.startDate.clone();

				if (maxDate && selected.isAfter(maxDate))
					selected = maxDate.clone();

			}

			//
			// hours
			//

			html = '<select class="hourselect">';

			var start = this.timePicker24Hour ? 0 : 1;
			var end = this.timePicker24Hour ? 23 : 12;

			for (var i = start; i <= end; i++) {
				var i_in_24 = i;
				if (!this.timePicker24Hour)
					i_in_24 = selected.hour() >= 12 ? (i == 12 ? 12 : i + 12) : (i == 12 ? 0 : i);

				var time = selected.clone().hour(i_in_24);
				var disabled = false;
				if (minDate && time.minute(59).isBefore(minDate))
					disabled = true;
				if (maxDate && time.minute(0).isAfter(maxDate))
					disabled = true;

				if (i_in_24 == selected.hour() && !disabled) {
					html += '<option value="' + i + '" selected="selected">' + i + '</option>';
				} else if (disabled) {
					html += '<option value="' + i + '" disabled="disabled" class="disabled">' + i + '</option>';
				} else {
					html += '<option value="' + i + '">' + i + '</option>';
				}
			}

			html += '</select> ';

			//
			// minutes
			//

			html += ': <select class="minuteselect">';

			for (var i = 0; i < 60; i += this.timePickerIncrement) {
				var padded = i < 10 ? '0' + i : i;
				var time = selected.clone().minute(i);

				var disabled = false;
				if (minDate && time.second(59).isBefore(minDate))
					disabled = true;
				if (maxDate && time.second(0).isAfter(maxDate))
					disabled = true;

				if (selected.minute() == i && !disabled) {
					html += '<option value="' + i + '" selected="selected">' + padded + '</option>';
				} else if (disabled) {
					html += '<option value="' + i + '" disabled="disabled" class="disabled">' + padded + '</option>';
				} else {
					html += '<option value="' + i + '">' + padded + '</option>';
				}
			}

			html += '</select> ';

			//
			// seconds
			//

			if (this.timePickerSeconds) {
				html += ': <select class="secondselect">';

				for (var i = 0; i < 60; i++) {
					var padded = i < 10 ? '0' + i : i;
					var time = selected.clone().second(i);

					var disabled = false;
					if (minDate && time.isBefore(minDate))
						disabled = true;
					if (maxDate && time.isAfter(maxDate))
						disabled = true;

					if (selected.second() == i && !disabled) {
						html += '<option value="' + i + '" selected="selected">' + padded + '</option>';
					} else if (disabled) {
						html += '<option value="' + i + '" disabled="disabled" class="disabled">' + padded + '</option>';
					} else {
						html += '<option value="' + i + '">' + padded + '</option>';
					}
				}

				html += '</select> ';
			}

			//
			// AM/PM
			//

			if (!this.timePicker24Hour) {
				html += '<select class="ampmselect">';

				var am_html = '';
				var pm_html = '';

				if (minDate && selected.clone().hour(12).minute(0).second(0).isBefore(minDate))
					am_html = ' disabled="disabled" class="disabled"';

				if (maxDate && selected.clone().hour(0).minute(0).second(0).isAfter(maxDate))
					pm_html = ' disabled="disabled" class="disabled"';

				if (selected.hour() >= 12) {
					html += '<option value="AM"' + am_html + '>AM</option><option value="PM" selected="selected"' + pm_html + '>PM</option>';
				} else {
					html += '<option value="AM" selected="selected"' + am_html + '>AM</option><option value="PM"' + pm_html + '>PM</option>';
				}

				html += '</select>';
			}

			this.container.find('.calendar.' + side + ' .calendar-time div').html(html);

		},

		updateFormInputs: function() {

			//ignore mouse movements while an above-calendar text input has focus
			if (this.container.find('input[name=daterangepicker_start]').is(":focus") || this.container.find('input[name=daterangepicker_end]').is(":focus"))
				return;

			this.container.find('input[name=daterangepicker_start]').val(this.startDate.format(this.locale.format));
			if (this.endDate)
				this.container.find('input[name=daterangepicker_end]').val(this.endDate.format(this.locale.format));

			if (this.singleDatePicker || (this.endDate && (this.startDate.isBefore(this.endDate) || this.startDate.isSame(this.endDate)))) {
				this.container.find('button.applyBtn').removeAttr('disabled');
			} else {
				this.container.find('button.applyBtn').attr('disabled', 'disabled');
			}

		},

		move: function() {
			var parentOffset = { top: 0, left: 0 },
				containerTop;
			var parentRightEdge = $(window).width();
			if (!this.parentEl.is('body')) {
				parentOffset = {
					top: this.parentEl.offset().top - this.parentEl.scrollTop(),
					left: this.parentEl.offset().left - this.parentEl.scrollLeft()
				};
				parentRightEdge = this.parentEl[0].clientWidth + this.parentEl.offset().left;
			}

			if (this.drops == 'up')
				containerTop = this.element.offset().top - this.container.outerHeight() - parentOffset.top;
			else
				containerTop = this.element.offset().top + this.element.outerHeight() - parentOffset.top;
			this.container[this.drops == 'up' ? 'addClass' : 'removeClass']('dropup');

			if (this.opens == 'left') {
				this.container.css({
					top: containerTop,
					right: parentRightEdge - this.element.offset().left - this.element.outerWidth(),
					left: 'auto'
				});
				if (this.container.offset().left < 0) {
					this.container.css({
						right: 'auto',
						left: 9
					});
				}
			} else if (this.opens == 'center') {
				this.container.css({
					top: containerTop,
					left: this.element.offset().left - parentOffset.left + this.element.outerWidth() / 2
					- this.container.outerWidth() / 2,
					right: 'auto'
				});
				if (this.container.offset().left < 0) {
					this.container.css({
						right: 'auto',
						left: 9
					});
				}
			} else {
				this.container.css({
					top: containerTop,
					left: this.element.offset().left - parentOffset.left,
					right: 'auto'
				});
				if (this.container.offset().left + this.container.outerWidth() > $(window).width()) {
					this.container.css({
						left: 'auto',
						right: 0
					});
				}
			}
		},

		show: function(e) {
			if (this.isShowing) return;

			// Create a click proxy that is private to this instance of datepicker, for unbinding
			this._outsideClickProxy = $.proxy(function(e) { this.outsideClick(e); }, this);

			// Bind global datepicker mousedown for hiding and
			$(document)
				.on('mousedown.daterangepicker', this._outsideClickProxy)
				// also support mobile devices
				.on('touchend.daterangepicker', this._outsideClickProxy)
				// also explicitly play nice with Bootstrap dropdowns, which stopPropagation when clicking them
				.on('click.daterangepicker', '[data-toggle=dropdown]', this._outsideClickProxy)
				// and also close when focus changes to outside the picker (eg. tabbing between controls)
				.on('focusin.daterangepicker', this._outsideClickProxy);

			// Reposition the picker if the window is resized while it's open
			$(window).on('resize.daterangepicker', $.proxy(function(e) { this.move(e); }, this));

			this.oldStartDate = this.startDate.clone();
			this.oldEndDate = this.endDate.clone();
			this.previousRightTime = this.endDate.clone();

			this.updateView();
			this.container.show();
			this.move();
			this.element.trigger('show.daterangepicker', this);
			this.isShowing = true;
		},

		hide: function(e) {
			if (!this.isShowing) return;

			//incomplete date selection, revert to last values
			if (!this.endDate) {
				this.startDate = this.oldStartDate.clone();
				this.endDate = this.oldEndDate.clone();
			}

			//if a new date range was selected, invoke the user callback function
			if (!this.startDate.isSame(this.oldStartDate) || !this.endDate.isSame(this.oldEndDate))
				this.callback(this.startDate, this.endDate, this.chosenLabel);

			//if picker is attached to a text input, update it
			this.updateElement();

			$(document).off('.daterangepicker');
			$(window).off('.daterangepicker');
			this.container.hide();
			this.element.trigger('hide.daterangepicker', this);
			this.isShowing = false;
		},

		toggle: function(e) {
			if (this.isShowing) {
				this.hide();
			} else {
				this.show();
			}
		},

		outsideClick: function(e) {
			var target = $(e.target);
			// if the page is clicked anywhere except within the daterangerpicker/button
			// itself then call this.hide()
			if (
				// ie modal dialog fix
			e.type == "focusin" ||
			target.closest(this.element).length ||
			target.closest(this.container).length ||
			target.closest('.calendar-table').length
			) return;
			this.hide();
			this.element.trigger('outsideClick.daterangepicker', this);
		},

		showCalendars: function() {
			this.container.addClass('show-calendar');
			this.move();
			this.element.trigger('showCalendar.daterangepicker', this);
		},

		hideCalendars: function() {
			this.container.removeClass('show-calendar');
			this.element.trigger('hideCalendar.daterangepicker', this);
		},

		hoverRange: function(e) {

			//ignore mouse movements while an above-calendar text input has focus
			if (this.container.find('input[name=daterangepicker_start]').is(":focus") || this.container.find('input[name=daterangepicker_end]').is(":focus"))
				return;

			var label = e.target.getAttribute('data-range-key');

			if (label == this.locale.customRangeLabel) {
				this.updateView();
			} else {
				var dates = this.ranges[label];
				this.container.find('input[name=daterangepicker_start]').val(dates[0].format(this.locale.format));
				this.container.find('input[name=daterangepicker_end]').val(dates[1].format(this.locale.format));
			}

		},

		clickRange: function(e) {
			var label = e.target.getAttribute('data-range-key');
			this.chosenLabel = label;
			if (label == this.locale.customRangeLabel) {
				this.showCalendars();
			} else {
				var dates = this.ranges[label];
				this.startDate = dates[0];
				this.endDate = dates[1];

				if (!this.timePicker) {
					this.startDate.startOf('day');
					this.endDate.endOf('day');
				}

				if (!this.alwaysShowCalendars)
					this.hideCalendars();
				this.clickApply();
			}
		},

		clickPrev: function(e) {
			var cal = $(e.target).parents('.calendar');
			if (cal.hasClass('left')) {
				this.leftCalendar.month.subtract(1, 'month');
				if (this.linkedCalendars)
					this.rightCalendar.month.subtract(1, 'month');
			} else {
				this.rightCalendar.month.subtract(1, 'month');
			}
			this.updateCalendars();
		},

		clickNext: function(e) {
			var cal = $(e.target).parents('.calendar');
			if (cal.hasClass('left')) {
				this.leftCalendar.month.add(1, 'month');
			} else {
				this.rightCalendar.month.add(1, 'month');
				if (this.linkedCalendars)
					this.leftCalendar.month.add(1, 'month');
			}
			this.updateCalendars();
		},

		hoverDate: function(e) {

			//ignore mouse movements while an above-calendar text input has focus
			//if (this.container.find('input[name=daterangepicker_start]').is(":focus") || this.container.find('input[name=daterangepicker_end]').is(":focus"))
			//    return;

			//ignore dates that can't be selected
			if (!$(e.target).hasClass('available')) return;

			//have the text inputs above calendars reflect the date being hovered over
			var title = $(e.target).attr('data-title');
			var row = title.substr(1, 1);
			var col = title.substr(3, 1);
			var cal = $(e.target).parents('.calendar');
			var date = cal.hasClass('left') ? this.leftCalendar.calendar[row][col] : this.rightCalendar.calendar[row][col];

			if (this.endDate && !this.container.find('input[name=daterangepicker_start]').is(":focus")) {
				this.container.find('input[name=daterangepicker_start]').val(date.format(this.locale.format));
			} else if (!this.endDate && !this.container.find('input[name=daterangepicker_end]').is(":focus")) {
				this.container.find('input[name=daterangepicker_end]').val(date.format(this.locale.format));
			}

			//highlight the dates between the start date and the date being hovered as a potential end date
			var leftCalendar = this.leftCalendar;
			var rightCalendar = this.rightCalendar;
			var startDate = this.startDate;
			if (!this.endDate) {
				this.container.find('.calendar tbody td').each(function(index, el) {

					//skip week numbers, only look at dates
					if ($(el).hasClass('week')) return;

					var title = $(el).attr('data-title');
					var row = title.substr(1, 1);
					var col = title.substr(3, 1);
					var cal = $(el).parents('.calendar');
					var dt = cal.hasClass('left') ? leftCalendar.calendar[row][col] : rightCalendar.calendar[row][col];

					if ((dt.isAfter(startDate) && dt.isBefore(date)) || dt.isSame(date, 'day')) {
						$(el).addClass('in-range');
					} else {
						$(el).removeClass('in-range');
					}

				});
			}

		},

		clickDate: function(e) {

			if (!$(e.target).hasClass('available')) return;

			var title = $(e.target).attr('data-title');
			var row = title.substr(1, 1);
			var col = title.substr(3, 1);
			var cal = $(e.target).parents('.calendar');
			var date = cal.hasClass('left') ? this.leftCalendar.calendar[row][col] : this.rightCalendar.calendar[row][col];

			//
			// this function needs to do a few things:
			// * alternate between selecting a start and end date for the range,
			// * if the time picker is enabled, apply the hour/minute/second from the select boxes to the clicked date
			// * if autoapply is enabled, and an end date was chosen, apply the selection
			// * if single date picker mode, and time picker isn't enabled, apply the selection immediately
			// * if one of the inputs above the calendars was focused, cancel that manual input
			//

			if (this.endDate || date.isBefore(this.startDate, 'day')) { //picking start
				if (this.timePicker) {
					var hour = parseInt(this.container.find('.left .hourselect').val(), 10);
					if (!this.timePicker24Hour) {
						var ampm = this.container.find('.left .ampmselect').val();
						if (ampm === 'PM' && hour < 12)
							hour += 12;
						if (ampm === 'AM' && hour === 12)
							hour = 0;
					}
					var minute = parseInt(this.container.find('.left .minuteselect').val(), 10);
					var second = this.timePickerSeconds ? parseInt(this.container.find('.left .secondselect').val(), 10) : 0;
					date = date.clone().hour(hour).minute(minute).second(second);
				}
				this.endDate = null;
				this.setStartDate(date.clone());
			} else if (!this.endDate && date.isBefore(this.startDate)) {
				//special case: clicking the same date for start/end,
				//but the time of the end date is before the start date
				this.setEndDate(this.startDate.clone());
			} else { // picking end
				if (this.timePicker) {
					var hour = parseInt(this.container.find('.right .hourselect').val(), 10);
					if (!this.timePicker24Hour) {
						var ampm = this.container.find('.right .ampmselect').val();
						if (ampm === 'PM' && hour < 12)
							hour += 12;
						if (ampm === 'AM' && hour === 12)
							hour = 0;
					}
					var minute = parseInt(this.container.find('.right .minuteselect').val(), 10);
					var second = this.timePickerSeconds ? parseInt(this.container.find('.right .secondselect').val(), 10) : 0;
					date = date.clone().hour(hour).minute(minute).second(second);
				}
				this.setEndDate(date.clone());
				if (this.autoApply) {
					this.calculateChosenLabel();
					this.clickApply();
				}
			}

			if (this.singleDatePicker) {
				this.setEndDate(this.startDate);
				if (!this.timePicker)
					this.clickApply();
			}

			this.updateView();

			//This is to cancel the blur event handler if the mouse was in one of the inputs
			e.stopPropagation();

		},

		calculateChosenLabel: function () {
			var customRange = true;
			var i = 0;
			for (var range in this.ranges) {
				if (this.timePicker) {
					var format = this.timePickerSeconds ? "YYYY-MM-DD hh:mm:ss" : "YYYY-MM-DD hh:mm";
					//ignore times when comparing dates if time picker seconds is not enabled
					if (this.startDate.format(format) == this.ranges[range][0].format(format) && this.endDate.format(format) == this.ranges[range][1].format(format)) {
						customRange = false;
						this.chosenLabel = this.container.find('.ranges li:eq(' + i + ')').addClass('active').html();
						break;
					}
				} else {
					//ignore times when comparing dates if time picker is not enabled
					if (this.startDate.format('YYYY-MM-DD') == this.ranges[range][0].format('YYYY-MM-DD') && this.endDate.format('YYYY-MM-DD') == this.ranges[range][1].format('YYYY-MM-DD')) {
						customRange = false;
						this.chosenLabel = this.container.find('.ranges li:eq(' + i + ')').addClass('active').html();
						break;
					}
				}
				i++;
			}
			if (customRange) {
				if (this.showCustomRangeLabel) {
					this.chosenLabel = this.container.find('.ranges li:last').addClass('active').html();
				} else {
					this.chosenLabel = null;
				}
				this.showCalendars();
			}
		},

		clickApply: function(e) {
			this.hide();
			this.element.trigger('apply.daterangepicker', this);
		},

		clickCancel: function(e) {
			this.startDate = this.oldStartDate;
			this.endDate = this.oldEndDate;
			this.hide();
			this.element.trigger('cancel.daterangepicker', this);
		},

		monthOrYearChanged: function(e) {
			var isLeft = $(e.target).closest('.calendar').hasClass('left'),
				leftOrRight = isLeft ? 'left' : 'right',
				cal = this.container.find('.calendar.'+leftOrRight);

			// Month must be Number for new moment versions
			var month = parseInt(cal.find('.monthselect').val(), 10);
			var year = cal.find('.yearselect').val();

			if (!isLeft) {
				if (year < this.startDate.year() || (year == this.startDate.year() && month < this.startDate.month())) {
					month = this.startDate.month();
					year = this.startDate.year();
				}
			}

			if (this.minDate) {
				if (year < this.minDate.year() || (year == this.minDate.year() && month < this.minDate.month())) {
					month = this.minDate.month();
					year = this.minDate.year();
				}
			}

			if (this.maxDate) {
				if (year > this.maxDate.year() || (year == this.maxDate.year() && month > this.maxDate.month())) {
					month = this.maxDate.month();
					year = this.maxDate.year();
				}
			}

			if (isLeft) {
				this.leftCalendar.month.month(month).year(year);
				if (this.linkedCalendars)
					this.rightCalendar.month = this.leftCalendar.month.clone().add(1, 'month');
			} else {
				this.rightCalendar.month.month(month).year(year);
				if (this.linkedCalendars)
					this.leftCalendar.month = this.rightCalendar.month.clone().subtract(1, 'month');
			}
			this.updateCalendars();
		},

		timeChanged: function(e) {

			var cal = $(e.target).closest('.calendar'),
				isLeft = cal.hasClass('left');

			var hour = parseInt(cal.find('.hourselect').val(), 10);
			var minute = parseInt(cal.find('.minuteselect').val(), 10);
			var second = this.timePickerSeconds ? parseInt(cal.find('.secondselect').val(), 10) : 0;

			if (!this.timePicker24Hour) {
				var ampm = cal.find('.ampmselect').val();
				if (ampm === 'PM' && hour < 12)
					hour += 12;
				if (ampm === 'AM' && hour === 12)
					hour = 0;
			}

			if (isLeft) {
				var start = this.startDate.clone();
				start.hour(hour);
				start.minute(minute);
				start.second(second);
				this.setStartDate(start);
				if (this.singleDatePicker) {
					this.endDate = this.startDate.clone();
				} else if (this.endDate && this.endDate.format('YYYY-MM-DD') == start.format('YYYY-MM-DD') && this.endDate.isBefore(start)) {
					this.setEndDate(start.clone());
				}
			} else if (this.endDate) {
				var end = this.endDate.clone();
				end.hour(hour);
				end.minute(minute);
				end.second(second);
				this.setEndDate(end);
			}

			//update the calendars so all clickable dates reflect the new time component
			this.updateCalendars();

			//update the form inputs above the calendars with the new time
			this.updateFormInputs();

			//re-render the time pickers because changing one selection can affect what's enabled in another
			this.renderTimePicker('left');
			this.renderTimePicker('right');

		},

		formInputsChanged: function(e) {
			var isRight = $(e.target).closest('.calendar').hasClass('right');
			var start = moment(this.container.find('input[name="daterangepicker_start"]').val(), this.locale.format);
			var end = moment(this.container.find('input[name="daterangepicker_end"]').val(), this.locale.format);

			if (start.isValid() && end.isValid()) {

				if (isRight && end.isBefore(start))
					start = end.clone();

				this.setStartDate(start);
				this.setEndDate(end);

				if (isRight) {
					this.container.find('input[name="daterangepicker_start"]').val(this.startDate.format(this.locale.format));
				} else {
					this.container.find('input[name="daterangepicker_end"]').val(this.endDate.format(this.locale.format));
				}

			}

			this.updateView();
		},

		formInputsFocused: function(e) {

			// Highlight the focused input
			this.container.find('input[name="daterangepicker_start"], input[name="daterangepicker_end"]').removeClass('active');
			$(e.target).addClass('active');

			// Set the state such that if the user goes back to using a mouse,
			// the calendars are aware we're selecting the end of the range, not
			// the start. This allows someone to edit the end of a date range without
			// re-selecting the beginning, by clicking on the end date input then
			// using the calendar.
			var isRight = $(e.target).closest('.calendar').hasClass('right');
			if (isRight) {
				this.endDate = null;
				this.setStartDate(this.startDate.clone());
				this.updateView();
			}

		},

		formInputsBlurred: function(e) {

			// this function has one purpose right now: if you tab from the first
			// text input to the second in the UI, the endDate is nulled so that
			// you can click another, but if you tab out without clicking anything
			// or changing the input value, the old endDate should be retained

			if (!this.endDate) {
				var val = this.container.find('input[name="daterangepicker_end"]').val();
				var end = moment(val, this.locale.format);
				if (end.isValid()) {
					this.setEndDate(end);
					this.updateView();
				}
			}

		},

		formInputsKeydown: function(e) {
			// This function ensures that if the 'enter' key was pressed in the input, then the calendars
			// are updated with the startDate and endDate.
			// This behaviour is automatic in Chrome/Firefox/Edge but not in IE 11 hence why this exists.
			// Other browsers and versions of IE are untested and the behaviour is unknown.
			if (e.keyCode === 13) {
				// Prevent the calendar from being updated twice on Chrome/Firefox/Edge
				e.preventDefault();
				this.formInputsChanged(e);
			}
		},


		elementChanged: function() {
			if (!this.element.is('input')) return;
			if (!this.element.val().length) return;

			var dateString = this.element.val().split(this.locale.separator),
				start = null,
				end = null;

			if (dateString.length === 2) {
				start = moment(dateString[0], this.locale.format);
				end = moment(dateString[1], this.locale.format);
			}

			if (this.singleDatePicker || start === null || end === null) {
				start = moment(this.element.val(), this.locale.format);
				end = start;
			}

			if (!start.isValid() || !end.isValid()) return;

			this.setStartDate(start);
			this.setEndDate(end);
			this.updateView();
		},

		keydown: function(e) {
			//hide on tab or enter
			if ((e.keyCode === 9) || (e.keyCode === 13)) {
				this.hide();
			}

			//hide on esc and prevent propagation
			if (e.keyCode === 27) {
				e.preventDefault();
				e.stopPropagation();

				this.hide();
			}
		},

		updateElement: function() {
			if (this.element.is('input') && !this.singleDatePicker && this.autoUpdateInput) {
				this.element.val(this.startDate.format(this.locale.format) + this.locale.separator + this.endDate.format(this.locale.format));
				this.element.trigger('change');
			} else if (this.element.is('input') && this.autoUpdateInput) {
				this.element.val(this.startDate.format(this.locale.format));
				this.element.trigger('change');
			}
		},

		remove: function() {
			this.container.remove();
			this.element.off('.daterangepicker');
			this.element.removeData();
		}

	};

	$.fn.daterangepicker = function(options, callback) {
		var implementOptions = $.extend(true, {}, $.fn.daterangepicker.defaultOptions, options);
		this.each(function() {
			var el = $(this);
			if (el.data('daterangepicker'))
				el.data('daterangepicker').remove();
			el.data('daterangepicker', new DateRangePicker(el, implementOptions, callback));
		});
		return this;
	};

	return DateRangePicker;

}));
